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Section 22.5 Multiple Choice Questions
Activity 22.5.1.
What is the standard way to import matplotlib’s pyplot library in python?
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import matplot as plt
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Incorrect! matplot is not a library.
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import matplotlib.pyplot as plt
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Correct! This is the correct way to import the library.
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from matplotlib import pyplot as plt
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Incorrect! This is not the correct way to import.
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import matplotlib pyplot as plt
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Incorrect! There is a period between matplotlib and pyplot instead of space.
Activity 22.5.2.
What is the correct way to plot a line graph?
Activity 22.5.3.
How do you set a title for a plot using matplotlib library?
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plt.set.title("Title")
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Incorrect! plt has no function set.
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plt.Title("Title")
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Incorrect! Title needs to be lowercased.
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plt.title("Title")
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Correct! This is the correct way to set a title.
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plt.set_title("Title")
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Incorrect! plt has no function set_title.
Activity 22.5.4.
How do you set a title for the axis using matplotlib library?
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ax.set_title("Axis Title")
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Correct! This is the correct way to set axis title.
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ax.title("Axis Title")
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Incorrect! ax has no method title.
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ax.axis_title("Axis Title")
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Incorrect! ax has no method axis_title.
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ax.setTitle("Axis Title")
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Incorrect! ax has no method setTitle.
Activity 22.5.5.
How to create a subplot in a figure with three plots side by side and two rows of subplots?
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ax1 = fig.add_subplot(123)
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Incorrect! This means row 1, column 2, and plot 3, which is not possible in a 1 * 2 figure.
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ax1 = fig.add_subplot(231)
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Correct! This is the correct way to create a subplot for this case.
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ax1 = fig.add_subplot(321)
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Incorrect! This means row 3, column 2 and plot 1. Row and column need to be switched.
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ax1 = fig.add_subplot(3*2)
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Incorrect! This is incorrect way to create subplot.
Activity 22.5.6.
What is the function for creating a horizontal bar plot?
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plt.bar_hor(x, y)
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Incorrect! There is no function bar_hor.
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plt.hbar(x, y)
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Incorrect! There is no function hbar.
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plt.barh(x, y)
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Correct! This is the correct way to create a horizontal bar.
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plt.bar(x, y)
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Incorrect! This is to create a vertical bar.
Activity 22.5.7.
Which line of code would create a line plot in form of red squares with x = x and y = y?
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ax.plot(x, y, ’red’, marker = ’square’)
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Incorrect!
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ax.plot(x, y, ’R-’, marker = ’sqr’)
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Incorrect!
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ax.plot(x, y, ’r’, ’s’)
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Incorrect!
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ax.plot(x, y, ’r-’, marker = ’s’)
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Correct! This is the correct way.
Activity 22.5.8.
What single line of code will set the x and y labels and the title of a plot?
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ax.set((xlabel, ylabel, title), (’Year’, ’Amount’, ’Title of Graph’))
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Incorrect!
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ax.(xlabel=’Year’, ylabel=’Amount’, title=’Title of Graph’)
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Incorrect!
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ax.set(xlabel=’Year’, ylabel=’Amount’, title=’Title of Graph’)
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Correct! This is the correct way.
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ax.set(xlabel=’Year’), ax.set(ylabel=’Amount’), ax.set(title=’Title of Graph’)
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Incorrect!
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